//package iterator.sm_join_assign_src;
//import java.lang.*;
//import java.io.*;
//import global.*;
//
///**
// *  This clas will hold single select condition
// *  It is an element of linked list which is logically
// *  connected by OR operators.
// */
//
//public class CondExpr {
//  
//  /**
//   * Operator like "<"
//   */
//  public AttrOperator op;    
//  
//  /**
//   * Types of operands, Null AttrType means that operand is not a
//   * literal but an attribute name
//   */    
//  public AttrType     type1;
//  public AttrType     type2;    
// 
//  /**
//   *the left operand and right operand 
//   */ 
//  public Operand operand1;
//  public Operand operand2;
//  
//  /**
//   * Pointer to the next element in linked list
//   */    
//  public CondExpr    next;   
//  
//  /**
//   *constructor
//   */
//  public  CondExpr() {
//    
//    operand1 = new Operand();
//    operand2 = new Operand();
//    
//    operand1.integer = 0;
//    operand2.integer = 0;
//    
//    next = null;
//  }
//}

